The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 18, 2007
Filed:
Jan. 23, 2004
Applicants:
Jean-francois Carpentier, Acigne, FR;
Evgueni Kirillov, Erlangen, DE;
Abbas Razavi, Mons, BE;
Inventors:
Assignee:
Total Petrochemicals Research Feluy, Feluy, BE;
Primary Examiner:
Int. Cl.
CPC ...
C08F 4/6192 (2006.01); C08F 10/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention discloses a metallocene catalyst component of the formula (I) [(Flu-R″-Cp)M][Li(ether)], wherein Cp is a cyclopentadienyl, substituted or unsubstituted, Flu is a fluorenyl, substituted or unsubstitutted, M is a metal Group III of the Periodic Table, and R″ is a structural bridge between Cp and Flu imparting stereorigidity to the component. It further discloses a process for preparing said metallocene catalyst component and its use in controlled polymerisation.